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Gas Utilities
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
ATO icon
1
Atmos Energy
ATO
$27.6B
$27.6B $163.19 0.98%
NI icon
2
NiSource
NI
$19.9B
$19.9B $41.41 0.02%
UGI icon
3
UGI
UGI
$8.15B
$8.15B $37.99 0.03%
SWX icon
4
Southwest Gas
SWX
$6.24B
$6.24B $86.11 0.91%
BKH icon
5
Black Hills Corp
BKH
$5.44B
$5.44B $71.30 1.36%
NJR icon
6
New Jersey Resources
NJR
$5.39B
$5.39B $53.16 0.34%
OGS icon
7
ONE Gas
OGS
$4.86B
$4.86B $77.34 1.05%
SR icon
8
Spire
SR
$4.74B
$4.74B $80.20 1.56%
BIPC icon
9
Brookfield Infrastructure
BIPC
$4.55B
$4.55B $37.01 1.01%
MDU icon
10
MDU Resources
MDU
$4.04B
$4.04B $19.20 0.21%
CPK icon
11
Chesapeake Utilities
CPK
$3.12B
$3.12B $129.82 0.18%
NWN icon
12
Northwest Natural Holdings
NWN
$2.04B
$2.04B $48.44 1.26%
CTRI icon
13
Centuri Holdings
CTRI
$2.04B
$2.04B $20.16 0.44%
SPH icon
14
Suburban Propane Partners
SPH
$1.14B
$1.14B $17.07 1.84%
RGCO icon
15
RGC Resources
RGCO
$222M
$222M $21.32 1.48%

Gas Utilities Stocks at a Glance

Gas utilities transmit, store, and distribute natural gas to homes and businesses. Regulated rates and heating-driven, weather-influenced demand deliver dependable earnings, with pipeline replacement programs providing a visible capital-growth runway.

There are 15 Gas Utilities industry stocks tracked by Wall St. Rank, worth a combined $99.4B.

The largest by market cap are Atmos Energy (ATO) at $27.6B, NiSource (NI) at $19.9B and UGI (UGI) at $8.15B.

Among institutional investors, Centuri Holdings (CTRI) drew the most net new fund positions in Q2 2026: 66 funds opened new positions, taking total fund holders up 33 (15%) quarter-over-quarter.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.